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Merge "vp9-svc: Fix in choose_partitioning for different scaling."

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Marco Paniconi 2018-04-04 05:59:00 +00:00 committed by Gerrit Code Review
commit 9336197663
1 changed files with 9 additions and 5 deletions
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14
vp9/encoder/vp9_encodeframe.c
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@ -1255,13 +1255,17 @@ static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
int segment_id;
int sb_offset = (cm->mi_stride >> 3) * (mi_row >> 3) + (mi_col >> 3);
// For SVC: check if LAST frame is NULL and if so treat this frame as a key
// frame, for the purpose of the superblock partitioning. This can happen
// (LAST is NULL) in some cases where enhancement spatial layers are enabled
// dyanmically in the stream and the only reference is the spatial
// For SVC: check if LAST frame is NULL or if the resolution of LAST is
// different than the current frame resolution, and if so, treat this frame
// as a key frame, for the purpose of the superblock partitioning.
// LAST == NULL can happen in some cases where enhancement spatial layers are
// enabled dyanmically in the stream and the only reference is the spatial
// reference (GOLDEN).
if (cpi->use_svc) {
if (get_ref_frame_buffer(cpi, LAST_FRAME) == NULL) is_key_frame = 1;
const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi, LAST_FRAME);
if (ref == NULL || ref->y_crop_height != cm->height ||
ref->y_crop_width != cm->width)
is_key_frame = 1;
}
set_offsets(cpi, tile, x, mi_row, mi_col, BLOCK_64X64);